/*
 * Copyright 2020-2030 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.gitee.minimalismstyle.fresh.common.core.domain

/**
 *  应用上下文
 * @author maoxiaodong
 */
object Context {
    private val contextThreadLocal = ThreadLocal<MutableMap<String, Any>>()

    /**
     * 获取当前上下文指定数据
     * @param key
     * @return
     */
    fun get(key: String): Any? {
        val context = contextThreadLocal.get()
        return if (context != null) {
            context[key]
        } else {
            null
        }

    }

    /**
     * 保存当前上下文指定数据
     * @param key
     * @param value
     */
    fun set(key: String, value: Any) {
        var context = contextThreadLocal.get()
        if (context == null) {
            context = hashMapOf()
            contextThreadLocal.set(context)
        }
        context[key] = value
    }
}